No data alert (#121)

* add logs

* new alert template

* name for each alerts

* add annotations and labels

* add no data check

* 0 for prod

* default alert template

* email template changes

* email template status padding

* test

* using inbuilt approaches for no data alerts

* a tags for annotations

* no data alert match bug

* remove spew

* send alerts individually

* merge like alerts

* revert alert templates

* reference bug fix

* seperate urls from labels and annotations

* replace ref_id with parameters

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Co-authored-by: Priyankg101 <[email protected]>

public/emails/no_data_alert.html

@@ -130,7 +130,14 @@ <h4>Labels:</h4>
             <table>
                 {{ range $key, $val := .Labels }}
                     <tr>
-                        <td>{{$key}}</td> 
+                        {{if eq $key "ref_id" }}
+                            <td> parameters </td>
+                        {{else}}
+                            <td>{{$key}}</td> 
+                        {{end}}
+                        <td>{{$val}}</td>
+                    </tr>
+                {{end}}
                         <td>{{$val}}</td>
                     </tr>
                 {{end}}